Insider · CIK 0001034316

Scott D Sheffield

Period1M 3M 6M 1Y 2Y All datashares as filed — not split-adjusted

Open-market buys & salesbuys $0 · 0sales $32.0M · 13net −$32.0M

Reported trades — common stock

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Jun 1, 2026 AForm 4 →	Jun 3, 9:31 pm EDT	Tamboran Resources CorpTBN	2,975	—	—	326,961	—
Feb 21, 2019 AForm 4 →	Feb 25, 4:35 pm EST	PIONEER NATURAL RESOURCES COPXD	30,445	—	—	589,743	—	plan?
Feb 15, 2019 FForm 4 →	Feb 20, 4:44 pm EST	PIONEER NATURAL RESOURCES COPXD	15,514	$143.08	$2,219,743	559,298	—	plan?
Jan 2, 2019 FForm 4 →	Jan 4, 1:56 pm EST	PIONEER NATURAL RESOURCES COPXD	15,838	$131.52	$2,083,014	574,812	—	plan?
Dec 31, 2018 AForm 4 →	Jan 3, 2019, 6:35 pm EST	PIONEER NATURAL RESOURCES COPXD	38,256	—	—	590,650	—	plan?
Nov 19, 2018 GForm 4 →	Dec 17, 4:14 pm EST	PIONEER NATURAL RESOURCES COPXD	35,000	—	—	552,394	—	plan? late
Jul 19, 2018 MForm 4 →	Jul 23, 4:21 pm EDT	PIONEER NATURAL RESOURCES COPXD	30,500	—	—	587,394	—	plan?
May 17, 2018 SForm 4 →	May 21, 6:07 pm EDT	PIONEER NATURAL RESOURCES COPXD	20,000	$211.16	$4,223,100	15,000	−57.1%	plan?
May 17, 2018 AForm 4 →	May 21, 6:07 pm EDT	PIONEER NATURAL RESOURCES COPXD	2,147	—	—	566,894	—	plan?
May 10, 2018 SForm 4 →	May 14, 4:35 pm EDT	PIONEER NATURAL RESOURCES COPXD	40,000	$202.49	$8,099,456	564,747	−6.61%	plan?
May 10, 2018 AForm 4 →	May 11, 3:38 pm EDT	WILLIAMS COMPANIES INCWMB	6,182	—	—	10,326	—	plan?
Feb 23, 2018 SForm 4 →	Feb 26, 4:28 pm EST	PIONEER NATURAL RESOURCES COPXD	2,000	$180.00	$360,000	0	−100%	plan?
Feb 15, 2018 DFForm 4 →	Feb 20, 4:22 pm EST	PIONEER NATURAL RESOURCES COPXD	13,219	$179.50	$2,093,329	582,600	—	plan?
Feb 12, 2018 SForm 4 →	Feb 14, 4:32 pm EST	PIONEER NATURAL RESOURCES COPXD	2,000	$170.93	$341,866	18,000	−10.0%	plan?
Feb 12, 2018 GForm 4 →	Feb 14, 4:32 pm EST	PIONEER NATURAL RESOURCES COPXD	5,500	—	—	595,819	—	plan?
Jan 2, 2018 FForm 4 →	Jan 4, 4:28 pm EST	PIONEER NATURAL RESOURCES COPXD	18,882	$172.85	$3,263,754	599,319	—	plan?
Dec 31, 2017 ADMForm 4 →	Jan 3, 2018, 5:07 pm EST	PIONEER NATURAL RESOURCES COPXD	57,389	$172.85	$1,266,472	618,201	—	plan?
Dec 22, 2017 SForm 4 →	Dec 26, 4:07 pm EST	PIONEER NATURAL RESOURCES COPXD	5,000	$172.38	$861,899	575,466	−0.86%	plan?
Nov 9, 2017 SForm 4 →	Nov 13, 4:14 pm EST	PIONEER NATURAL RESOURCES COPXD	5,000	$161.14	$805,705	580,466	−0.85%	plan?
Nov 8, 2017 GForm 4 →	Nov 13, 4:14 pm EST	PIONEER NATURAL RESOURCES COPXD	10,000	—	—	585,466	—	plan? late
Sep 1, 2017 FForm 4/A →	Sep 6, 11:30 am EDT	WILLIAMS COMPANIES INCWMB	—	—	—	4,144	—	plan?
Sep 1, 2017 FMForm 4 →	Sep 5, 5:32 pm EDT	WILLIAMS COMPANIES INCWMB	5,498	$30.06	$40,701	2,790	—	plan? amended
Mar 30, 2017 GForm 4 →	Apr 3, 4:14 pm EDT	PIONEER NATURAL RESOURCES COPXD	1,500	—	—	595,466	—	plan?
Feb 18, 2017 FForm 4 →	Feb 22, 6:28 pm EST	PIONEER NATURAL RESOURCES COPXD	11,325	$192.00	$2,174,400	596,966	—	plan?
Feb 14, 2017 SForm 4 →	Feb 15, 5:07 pm EST	PIONEER NATURAL RESOURCES COPXD	3,000	$197.33	$591,990	0	−100%	plan?
Dec 31, 2016 AFForm 4 →	Jan 4, 2017, 4:57 pm EST	PIONEER NATURAL RESOURCES COPXD	59,033	$180.07	$3,296,181	608,291	—	plan?
Nov 23, 2016 SForm 4 →	Nov 28, 4:28 pm EST	PIONEER NATURAL RESOURCES COPXD	10,000	$185.14	$1,851,441	585,868	−1.68%	plan?
Aug 15, 2016 GForm 4 →	Aug 16, 4:14 pm EDT	PIONEER NATURAL RESOURCES COPXD	6,000	—	—	595,868	—	plan?
Aug 12, 2016 SForm 4 →	Aug 16, 4:14 pm EDT	PIONEER NATURAL RESOURCES COPXD	20,000	$175.62	$3,512,410	601,868	−3.22%	plan?
Apr 28, 2016 SForm 4 →	May 2, 4:35 pm EDT	PIONEER NATURAL RESOURCES COPXD	30,000	$168.88	$5,066,307	621,868	−4.60%	plan?
Mar 1, 2016 AForm 4 →	Mar 3, 4:14 pm EST	PIONEER NATURAL RESOURCES COPXD	34,778	—	—	651,868	—	plan?
Feb 16, 2016 FGForm 4 →	Feb 23, 6:00 pm EST	PIONEER NATURAL RESOURCES COPXD	19,123	$122.99	$1,613,998	617,090	—	plan? late
Dec 31, 2015 AFForm 4 →	Jan 5, 2016, 5:00 pm EST	PIONEER NATURAL RESOURCES COPXD	63,890	$125.38	$2,266,870	631,713	—	plan?
Dec 1, 2015 SForm 4 →	Dec 3, 5:14 pm EST	PIONEER NATURAL RESOURCES COPXD	10,000	$149.09	$1,490,897	603,983	−1.63%	plan?
Sep 15, 2015 SForm 4 →	Sep 17, 4:28 pm EDT	PIONEER NATURAL RESOURCES COPXD	15,000	$116.91	$1,753,710	623,983	−2.35%	plan?
Sep 15, 2015 GForm 4 →	Sep 17, 4:28 pm EDT	PIONEER NATURAL RESOURCES COPXD	18,520	—	—	613,983	—	plan?
Jun 9, 2015 SForm 4 →	Jun 11, 4:21 pm EDT	PIONEER NATURAL RESOURCES COPXD	20,000	$150.14	$3,002,776	643,243	−3.02%	plan?
Mar 3, 2015 AForm 4 →	Mar 4, 6:07 pm EST	PIONEER NATURAL RESOURCES COPXD	28,020	—	—	663,243	—	plan?
Feb 23, 2015 FForm 4 →	Feb 24, 5:07 pm EST	PIONEER NATURAL RESOURCES COPXD	14,208	$158.76	$2,255,662	635,223	—	plan?
Dec 31, 2014 AFForm 4 →	Jan 5, 2015, 4:21 pm EST	PIONEER NATURAL RESOURCES COPXD	48,890	$148.85	$2,051,748	649,431	—	plan?

Reported trades — derivatives (options, RSUs, warrants)

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Jul 19, 2018 MForm 4 →	Jul 23, 4:21 pm EDT	PIONEER NATURAL RESOURCES COPXD	30,500	—	—	0	—
Dec 31, 2017 MForm 4 →	Jan 3, 2018, 5:07 pm EST	PIONEER NATURAL RESOURCES COPXD	7,327	—	—	30,500	—
Sep 1, 2017 MForm 4 →	Sep 5, 5:32 pm EDT	WILLIAMS COMPANIES INCWMB	4,144	—	—	0	—	amended
Jun 26, 2017 JForm 4 →	Jun 29, 3:53 pm EDT	WILLIAMS COMPANIES INCWMB	57	—	—	5,575	—	late
May 18, 2017 AForm 4 →	May 19, 2:43 pm EDT	WILLIAMS COMPANIES INCWMB	5,518	—	—	5,518	—
Sep 1, 2016 AForm 4 →	Sep 2, 4:05 pm EDT	WILLIAMS COMPANIES INCWMB	4,144	—	—	4,144	—